Tom Gocze is a long time friend of Build It Solar who has provided a lot of good advice on our solar projects. Tom has been involved in the tank design and build business for many years, and has developed a new design for a heat storage tank.
The tanks are metal framed with a PVC liner, and are good to 180F. They appear to be very well insulated.
Click on pictures for full size.
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Tom's website is: www.americansolartechnics.com
Specs from above website:
Size.................... 822 Gallons
Dimensions......... 75 3/4 X 75 3/4
Outer Skin.......... Steel Reinforced Panels
Insulation............ R-30 3-4.5 Polyisocyanurate Foam
Liner................... PVC
Max. Temperature.. 200 F
Heat Exchangers.... Manifold-Type Copper Coils
Gary September 27, 2008, March 15, 2009